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AN2787 Fiches technique(PDF) 29 Page - STMicroelectronics

No de pièce AN2787
Description  Monolithic VR demonstration board for chipset
PDF  37 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN2787 Fiches technique(HTML) 29 Page - STMicroelectronics

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AN2787
STEVAL-ISA050V1 evaluation tests
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10.5
Efficiency
Figure 31.
SW regulators efficiency
10.6
Phase management
Figure 32
and 33 show the SW regulators loaded with 1.3 A (VDDQ rail), 1.25 A (1.5 V rail)
and 1.75 A (1.05 V rail). By connecting the SETPH1 pin to AGND or to AVCC the following
two different phase shifts are allowed.
Figure 32.
SW regulators phases, 120 deg phase shift. SETPH1 pin tied to AGND



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